MCKEOWN, T The influence of litter size and litter order on length of gestation and early postnatal growth in the guinea-pig. [electronic resource] - The Journal of endocrinology Jan 1956 - 195-200 p. digital Publication Type: Journal Article ISSN: 0022-0795 Standard No.: 10.1677/joe.0.0130195 doi Subjects--Topical Terms: AnimalsFemaleGuinea PigsHumansLitter SizePregnancy